/*
 * $Header: /cvs/xzsp-mysql/src/org/apache/struts/tiles/ActionController.java,v 1.1.1.1 2006/09/26 01:18:28 tenghl Exp $
 * $Revision: 1.1.1.1 $
 * $Date: 2006/09/26 01:18:28 $
 *
 * ====================================================================
 *
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999-2002 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Struts", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
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 * 5. Products derived from this software may not be called "Apache"
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 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
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 */


package org.apache.struts.tiles;

import org.apache.struts.action.Action;

import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;

/**
 * Struts wrapper implementation of Controller.
 * This implementation allows to wrap a Struts Action in a Controller.
 */
public class ActionController implements Controller
{
    /** Struts action wrapped. */
  private Action action;

   /**
    * Constructor.
    * @param action Action to be wrapped.
    */
   public ActionController( Action action )
   {
    this.action = action;
   }

   /**
    * Method associated to a tile and called immediately before tile is included.
    * This implementation calls a Struts Action. No servlet is set by this method.
    *
    * @param tileContext Current tile context.
    * @param request Current request.
    * @param response Current response.
    * @param servletContext Current servlet context.
    */
   public void perform(ComponentContext tileContext,
                       HttpServletRequest request, HttpServletResponse response,
                       ServletContext servletContext)
     throws ServletException, IOException
   {
   action.perform(null, null, request, response);
   }
}
